add unit tests for ArgInfo class

unittest/utils/CMakeLists.txt

@@ -6,6 +6,10 @@ add_executable(test_mempool test_mempool.cpp)
 target_link_libraries(test_mempool PRIVATE lammps GTest::GMockMain GTest::GMock GTest::GTest)
 add_test(MemPool test_mempool)
 
+add_executable(test_argutils test_argutils.cpp)
+target_link_libraries(test_argutils PRIVATE lammps GTest::GMockMain GTest::GMock GTest::GTest)
+add_test(ArgUtils test_argutils)
+
 add_executable(test_utils test_utils.cpp)
 target_link_libraries(test_utils PRIVATE lammps GTest::GMockMain GTest::GMock GTest::GTest)
 add_test(Utils test_utils)

unittest/utils/test_argutils.cpp

@@ -0,0 +1,172 @@
+/* ----------------------------------------------------------------------
+   LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
+   https://lammps.sandia.gov/, Sandia National Laboratories
+   Steve Plimpton, sjplimp@sandia.gov
+
+   Copyright (2003) Sandia Corporation.  Under the terms of Contract
+   DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
+   certain rights in this software.  This software is distributed under
+   the GNU General Public License.
+
+   See the README file in the top-level LAMMPS directory.
+------------------------------------------------------------------------- */
+
+#include "arg_info.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include <string>
+
+using namespace LAMMPS_NS;
+using ::testing::StrEq;
+
+TEST(ArgInfo, plain)
+{
+    ArgInfo arg("text");
+    ASSERT_EQ(arg.get_dim(), 0);
+    ASSERT_EQ(arg.get_type(), ArgInfo::NONE);
+    ASSERT_EQ(arg.get_index1(), -1);
+    ASSERT_EQ(arg.get_index2(), -1);
+    ASSERT_THAT(arg.get_name(), StrEq("text"));
+}
+
+TEST(ArgInfo, copy_name)
+{
+    char *name=nullptr;
+    ArgInfo arg("text");
+    ASSERT_THAT(arg.get_name(), StrEq("text"));
+    name = arg.copy_name();
+    ASSERT_THAT(name, StrEq("text"));
+    delete[] name;
+}
+
+TEST(ArgInfo, compute0)
+{
+    ArgInfo arg("c_text");
+    ASSERT_EQ(arg.get_dim(), 0);
+    ASSERT_EQ(arg.get_type(), ArgInfo::COMPUTE);
+    ASSERT_EQ(arg.get_index1(), -1);
+    ASSERT_EQ(arg.get_index2(), -1);
+    ASSERT_THAT(arg.get_name(), StrEq("text"));
+}
+
+TEST(ArgInfo, compute1)
+{
+    ArgInfo arg("c_1[5]", ArgInfo::COMPUTE);
+    ASSERT_EQ(arg.get_dim(), 1);
+    ASSERT_EQ(arg.get_type(), ArgInfo::COMPUTE);
+    ASSERT_EQ(arg.get_index1(), 5);
+    ASSERT_EQ(arg.get_index2(), -1);
+    ASSERT_THAT(arg.get_name(), StrEq("1"));
+}
+
+TEST(ArgInfo, compute2)
+{
+    ArgInfo arg("c_text[02][05]", ArgInfo::COMPUTE | ArgInfo::FIX);
+    ASSERT_EQ(arg.get_dim(), 2);
+    ASSERT_EQ(arg.get_type(), ArgInfo::COMPUTE);
+    ASSERT_EQ(arg.get_index1(), 2);
+    ASSERT_EQ(arg.get_index2(), 5);
+    ASSERT_THAT(arg.get_name(), StrEq("text"));
+}
+
+TEST(ArgInfo, fix0)
+{
+    ArgInfo arg("f_2");
+    ASSERT_EQ(arg.get_dim(), 0);
+    ASSERT_EQ(arg.get_type(), ArgInfo::FIX);
+    ASSERT_EQ(arg.get_index1(), -1);
+    ASSERT_EQ(arg.get_index2(), -1);
+    ASSERT_THAT(arg.get_name(), StrEq("2"));
+}
+
+TEST(ArgInfo, fix1)
+{
+    ArgInfo arg("f_text[5]", ArgInfo::FIX | ArgInfo::VARIABLE);
+    ASSERT_EQ(arg.get_dim(), 1);
+    ASSERT_EQ(arg.get_type(), ArgInfo::FIX);
+    ASSERT_EQ(arg.get_index1(), 5);
+    ASSERT_EQ(arg.get_index2(), -1);
+    ASSERT_THAT(arg.get_name(), StrEq("text"));
+}
+
+TEST(ArgInfo, fix2)
+{
+    ArgInfo arg("f_text[02][05]", ArgInfo::FIX);
+    ASSERT_EQ(arg.get_dim(), 2);
+    ASSERT_EQ(arg.get_type(), ArgInfo::FIX);
+    ASSERT_EQ(arg.get_index1(), 2);
+    ASSERT_EQ(arg.get_index2(), 5);
+    ASSERT_THAT(arg.get_name(), StrEq("text"));
+}
+
+TEST(ArgInfo, variable0)
+{
+    ArgInfo arg("v_text");
+    ASSERT_EQ(arg.get_dim(), 0);
+    ASSERT_EQ(arg.get_type(), ArgInfo::VARIABLE);
+    ASSERT_EQ(arg.get_index1(), -1);
+    ASSERT_EQ(arg.get_index2(), -1);
+    ASSERT_THAT(arg.get_name(), StrEq("text"));
+}
+
+TEST(ArgInfo, variable1)
+{
+    ArgInfo arg("v_text_1[5]", ArgInfo::VARIABLE);
+    ASSERT_EQ(arg.get_dim(), 1);
+    ASSERT_EQ(arg.get_type(), ArgInfo::VARIABLE);
+    ASSERT_EQ(arg.get_index1(), 5);
+    ASSERT_EQ(arg.get_index2(), -1);
+    ASSERT_THAT(arg.get_name(), StrEq("text_1"));
+}
+
+TEST(ArgInfo, variable2)
+{
+    ArgInfo arg("v_x[02][05]");
+    ASSERT_EQ(arg.get_dim(), 2);
+    ASSERT_EQ(arg.get_type(), ArgInfo::VARIABLE);
+    ASSERT_EQ(arg.get_index1(), 2);
+    ASSERT_EQ(arg.get_index2(), 5);
+    ASSERT_THAT(arg.get_name(), StrEq("x"));
+}
+
+TEST(ArgInfo, unsupported)
+{
+    ArgInfo arg("v_text[02][05]", ArgInfo::COMPUTE | ArgInfo::FIX);
+    ASSERT_EQ(arg.get_type(), ArgInfo::NONE);
+}
+
+TEST(ArgInfo, no_bracket1)
+{
+    ArgInfo arg("v_text[2");
+    ASSERT_EQ(arg.get_type(), ArgInfo::UNKNOWN);
+}
+
+TEST(ArgInfo, no_bracket2)
+{
+    ArgInfo arg("v_text[2][1");
+    ASSERT_EQ(arg.get_type(), ArgInfo::UNKNOWN);
+}
+
+TEST(ArgInfo, no_bracket3)
+{
+    ArgInfo arg("v_text[2[1]");
+    ASSERT_EQ(arg.get_type(), ArgInfo::UNKNOWN);
+}
+
+TEST(ArgInfo, none)
+{
+    ArgInfo arg("x_text");
+    ASSERT_EQ(arg.get_type(), ArgInfo::NONE);
+}
+
+TEST(ArgInfo, bad_idx1)
+{
+    ArgInfo arg("c_1[a]");
+    ASSERT_EQ(arg.get_type(), ArgInfo::UNKNOWN);
+}
+
+TEST(ArgInfo, bad_idx2)
+{
+    ArgInfo arg("c_1[1][b]");
+    ASSERT_EQ(arg.get_type(), ArgInfo::UNKNOWN);
+}